34 



simplex. 



natans. 



angustifoli- 

 um. 



TniAKDRiA MONooYNiA. Sparganium. 



In ditches and ponds from Canada to Virginia, rare. 1/ . 

 July, August. V. V. Flowers in round heads, white. 



2. S. foliis basi triquetris lateralibus planis, pedunculo com- 



mnni simpiici, stigmata liueari. Smith, hit. 3. p gQ2. 



IViild. sp. pi. 4. p. 199. 

 S. erectum j3. Sp. pL 13/8. 

 Icon. Czirt. lond. 5. t. 67. Engl. lot. 745. 

 In similar situations with the former ; more frequent. 



7/ . July, Aug. V. V. 



3. S. foliis decumbentibus planis, p°dunculo communi sim- 



plici, stigmate ovato brevissimo, capitulo masculino 

 subsolitario. Smith, hrit. 3. p. g62. IFillcL sp. pi. 4. 

 p. 200. 

 Icon. Engl. lot. 273. Fl. dan. 26O. 

 /3. S. foliis planis angustissimis, caulem longissime superan- 

 tibus, debiliter fluitantibus. Mich.Ji. amer. 2. p. ISg. 

 In rivulets of Canada, and very frequent on the outlets of 

 the small lakes of New York. 1/. Aug. v. v. 

 Floating ; heads small. 



46. TYPHA. Gen. pi. 140). Cat's-tail. Reed-mace. 



latlfolia. 1. T. foliis linearibus planis, spica mascula femineaque ap- 



proximatis, utraque cylindrica. IVilld. sp. pi. 4. p. \QJ. 



Icon. Bot. mag. 1455. Fl. dan. 645. Coopers-reed. 



In marshes and pools very common. % . July, Aug. 

 V. V. Flowers in a long cylindrical spike. 

 angustifolia. 2. T. foliis linearibus canaiiculatis, spica mascula feminea- 

 que remotis, utraque cvlmdrica. IVilld. sp. pi. 4. 

 p. 198. 



Icon. Bot. mag. 1456. 



In similar situations, only more rare. Pensylvania and 

 Virginia. IJ. . July, Aug. v. v. 



47. CAREX. Gen. pi. 1407. Sedge-grass. 



A. Stigmatihus birds. 



f Spicis dioicis. 



1. C. spica solitaria imbricato-cylindrica, capsulis dense pu- 



scirpoidea. 



sterilis. 



bescentibus, foliis planis. Mich.Ji. amer. 2. p. 171 . 

 Near Hudson's Bay. Mich. 11- +. 

 C. .spicis subsenis, fructibus ovatis compresso-triquetris 



acuminatis, apice recurvis bicuspidatis, matgine ci- 



liato-serratis. (Filld. sp. pi. 4. p. 208. 



